Product comparison · 2 motherboards

ASUS PRIME B550M-K WIFI vs GIGABYTE A520I AC (Rev. 1.4)

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  • 58specifications compared
  • 16differ
  • 42identical
  • 35known for one product only

Key differences

The ASUS PRIME B550M-K WIFI has 1 more storage drives supported than the GIGABYTE A520I AC (Rev. 1.4) (6 vs 5). The ASUS PRIME B550M-K WIFI has 1 more USB 2.0 connectors than the GIGABYTE A520I AC (Rev. 1.4) (2 vs 1). The GIGABYTE A520I AC (Rev. 1.4) has 1 more HDMI ports quantity than the ASUS PRIME B550M-K WIFI (2 vs 1). ECC сompatibility: ECC on the ASUS PRIME B550M-K WIFI, ECC & Non-ECC on the GIGABYTE A520I AC (Rev. 1.4). Supported storage drive interfaces: M.2, SATA III on the ASUS PRIME B550M-K WIFI, PCI Express 3.0, SATA III on the GIGABYTE A520I AC (Rev. 1.4).

  • ECC сompatibility
    • PRIME B550M-K WIFI:ECC
    • A520I AC (Rev. 1.4):ECC & Non-ECC
  • Supported storage drive interfaces
    • PRIME B550M-K WIFI:M.2, SATA III
    • A520I AC (Rev. 1.4):PCI Express 3.0, SATA III
  • Number of storage drives supported
    • PRIME B550M-K WIFI:6
    • A520I AC (Rev. 1.4):5
  • USB 2.0 connectors
    • PRIME B550M-K WIFI:2
    • A520I AC (Rev. 1.4):1
  • HDMI ports quantity
    • PRIME B550M-K WIFI:1
    • A520I AC (Rev. 1.4):2
  • Headphone outputs
    • PRIME B550M-K WIFI:1
    • A520I AC (Rev. 1.4):3
  • Top Wi-Fi standard
    • PRIME B550M-K WIFI:Wi-Fi 6 (802.11ax)
    • A520I AC (Rev. 1.4):Wi-Fi 5 (802.11ac)
  • Motherboard form factor
    • PRIME B550M-K WIFI:micro ATX
    • A520I AC (Rev. 1.4):mini ITX

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Comparison of PRIME B550M-K WIFI, A520I AC (Rev. 1.4)
93 specifications
Processoridentical
Processor manufacturerAMDAMD
Processor socketSocket AM4Socket AM4
Compatible processor seriesAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 SeriesAMD Ryzen 5000 Series, AMD Ryzen 4000 Series, AMD Ryzen 3000 Series
Supported processor socketsKnown for oneUnknown — not stated by the sourceSocket AM4
Memory2 differ
Supported memory typesDDR4-SDRAMDDR4-SDRAM
Number of memory slots22
Memory slots typeDIMMDIMM
Memory slot pin countKnown for oneUnknown — not stated by the source288
Memory channelsDual-channelDual-channel
ECC сompatibilityDiffersECCECC & Non-ECC
Supported memory clock speedsDiffers5100,4866,4600,4466,4400,4333,4266,4200,4133,4000,3866,3733,3600,3466,3400,3333,3200,3000,2933,2800,2666,2400,2133 MHz5300,5200,5100,4800,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz
Supported memory clock speed (max)Known for oneUnknown — not stated by the source5300 MHz
Maximum internal memory64 GB64 GB
Unbuffered memoryYesYes
Maximum internal memory per slotKnown for oneUnknown — not stated by the source32 GB
Storage controllers2 differ
Supported storage drive typesHDD & SSDHDD & SSD
Supported storage drive interfacesDiffersM.2, SATA IIIPCI Express 3.0, SATA III
Number of storage drives supportedDiffers65
RAID supportYesYes
RAID levels0, 1, 100, 1, 10
Number of HDDs supportedKnown for one4Unknown — not stated by the source
Graphicsidentical
Parallel processing technology supportKnown for oneUnknown — not stated by the sourceNot supported
Maximum resolutionKnown for oneUnknown — not stated by the source5120 x 2880 pixels
HDCPKnown for oneUnknown — not stated by the sourceYes
HDCP versionKnown for oneUnknown — not stated by the source2.3
High Dynamic Range (HDR) supportedKnown for oneUnknown — not stated by the sourceYes
Number of displays supportedKnown for oneUnknown — not stated by the source3
Internal I/O1 differ
USB 2.0 connectorsDiffers21
USB 3.2 Gen 1 (3.1 Gen 1) connectors11
USB 3.2 Gen 2 (3.1 Gen 2) connectors00
Number of SATA III connectors44
Audio connectorKnown for oneUnknown — not stated by the sourceYes
Front panel audio connectorYesYes
Front panel connectorKnown for oneUnknown — not stated by the sourceYes
ATX Power connector (24-pin)YesYes
CPU fan connectorYesYes
Number of CPU fan connectors11
EPS power connector (8-pin)YesYes
Number of EPS power connectors (8-pin)11
12V power connectorYesYes
Serial port headersKnown for oneUnknown — not stated by the source1
TPM connectorYesYes
Number of chassis fan connectorsKnown for one2Unknown — not stated by the source
Number of COM connectorsKnown for one1Unknown — not stated by the source
Rear panel I/O ports2 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
VGA (D-Sub) ports quantity00
HDMI ports quantityDiffers12
HDMI versionKnown for oneUnknown — not stated by the source2.1
DVI-D ports quantity00
DisplayPorts quantity11
DisplayPort versionKnown for oneUnknown — not stated by the source1.4
Headphone outputsDiffers13
Microphone inYesYes
WiFi-AP antenna jackKnown for oneUnknown — not stated by the source2
USB connector typeKnown for oneUnknown — not stated by the sourceUSB Type-A
PS/2 ports quantityKnown for one1Unknown — not stated by the source
Network2 differ
Ethernet LANYesYes
Ethernet interface typeDiffersGigabit EthernetFast Ethernet, Gigabit Ethernet
Wi-FiYesYes
Top Wi-Fi standardDiffersWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)
Wi-Fi standardsKnown for oneUnknown — not stated by the source802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
WLAN controller modelKnown for oneUnknown — not stated by the sourceRealtek RTL8821CE
BluetoothYesYes
Bluetooth versionKnown for oneUnknown — not stated by the source4.2
Features4 differ
Component forPCPC
Motherboard form factorDiffersmicro ATXmini ITX
Motherboard chipset familyAMDAMD
Motherboard chipsetDiffersAMD B550AMD A520
Audio output channels7.1 channels7.1 channels
Product colourDiffersMulticolourBlack
PC health monitoringKnown for oneUnknown — not stated by the sourceVoltage, Temperature, Fan
Windows operating systems supportedDiffersWindows 10 x64, Windows 11Windows 11 x64, Windows 10 x64
Expansion slots1 differ
PCI Express x16 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
Number of M.2 (M) slotsDiffers21
1st M.2 largest key size22802280
1st M.2 highest PCI Express generationKnown for oneUnknown — not stated by the source3.0
PCI Express x1 (Gen 3.x) slotsKnown for one1Unknown — not stated by the source
2nd M.2 largest key sizeKnown for one22110Unknown — not stated by the source
BIOSidentical
BIOS typeUEFI AMIUEFI AMI
BIOS memory size128 Mbit128 Mbit
ACPI versionKnown for oneUnknown — not stated by the source5.0
Clear CMOS jumperKnown for oneUnknown — not stated by the sourceYes
Desktop Management Interface (DMI) versionKnown for oneUnknown — not stated by the source2.7
System Management BIOS (SMBIOS) versionKnown for oneUnknown — not stated by the source2.7
Weight & dimensions2 differ
WidthDiffers244 mm170 mm
DepthDiffers221 mm170 mm
Packaging contentidentical
Cables includedKnown for oneUnknown — not stated by the sourceSATA
Bundled softwareKnown for oneUnknown — not stated by the sourceNorton Internet Security

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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